Задачи:
• Анализ требований и подготовка тестовой документации (test cases, checklists);
• Поддержка и актуализация продуктовой документации;
• Ручное тестирование backend-компонентов и микросервисов;
• Тестирование REST API и других типов API с использованием Postman, Swagger;
• Проверка работы client-server архитектуры: от обработки запросов до сохранения данных;
• Анализ логов и диагностика проблем через Kibana, Grafana;
• Работа с базами данных, написание SQL-запросов для проверки данных и воспроизведения дефектов;
• Чёткое и понятное описание багов для быстрого воспроизведения и исправления;
• Взаимодействие с разработчиками, аналитиками и другими stakeholders;
• Участие в релизном процессе и обеспечении release readiness.
Требования:
• Коммерческий опыт в QA от 4 лет;
• Опыт работы с backend и frontend testing;
• Уверенный опыт тестирования API;
• Практический опыт работы с Postman и Swagger;
• Опыт работы с логами и monitoring tools (Kibana, Grafana);
• Практический опыт написания SQL-запросов;
• Владение разговорным русским или украинским — обязательно.
Будет плюсом:
• Опыт работы с платёжными системами или fintech-продуктами;
• Опыт запуска или поддержки automated tests (Java).
Условия:
• Конкурентная оплата в евро (2000–3500€ net) без задержек;
• Реальное влияние на качество и развитие платформы, рост вместе с компанией;
• Работа над сложным продуктом в regulated payments environment.
Обязанности:
• Доработка и дальнейшее поддержание работы существующего центра мониторинга (отслеживание нахождения спецтехники).
• Внедрение новых идей по развитию центра мониторинга (ИИ и прочие инструменты), в целях обеспечения безопасности спецтехники, своевременного реагирования на ситуации по угону, краже спецтехники.
Требования:
• Python
• FastAPI
• REST API
• MySQL
• Docker
• Docker-compose
• Linux
• Kubernetes
• Работа в GitLab и с CI/CD механизмами
• Уровень Senior
• Опыт работы с геоданными и поставщиками услуг телематики Цезарь, Виалон.
Условия:
• Возможности для профессионального, финансового и карьерного развития.
• Официальное оформление по ТК, полный соц. пакет.
• На территории БЦ столовая, обеды для сотрудников частично оплачивает Компания.
• Предоставляется охраняемая парковка за счет компании.
Основные направления:
— Продуктизация ML-моделей и пайплайнов
— Интеграция моделей в backend и бизнес-контуры
— Разработка API и сервисов для ML
— Работа со стримингом данных (Kafka)
— Участие в RnD и пилотировании новых ML-решений
Обязанности:
— Продуктизация и внедрение ML-моделей в production
— Рефакторинг кода от DS-команд под production-стандарты
— Разработка backend-сервисов и REST API для ML-решений
— Интеграция сервисов через Kafka и микросервисную архитектуру
— Участие в построении и развитии ML-пайплайнов
— Взаимодействие с DS, MLOps и аналитиками
— Участие в архитектурных решениях и RnD-задачах
Требования:
— Опыт разработки на Python от 3–4 лет
— Обязательно высшее образование (законченное)
— Опыт работы с ML-проектами (CV, NLP, RAG)
— Опыт разработки REST API (FastAPI / Flask)
— Опыт работы с Kafka
— Понимание микросервисной архитектуры и сетевого взаимодействия
— Базовое понимание Kubernetes
— Опыт работы с SQL на среднем уровне
— Умение работать с кодом Data Science и адаптировать его под production
Будет плюсом:
— Опыт работы с Airflow
— Опыт работы с Hadoop / Spark
Условия:
-ДМС со стоматологией
-Компенсация фитнеса
-Скидки на курсы английского (Skyeng) и в кино
-Индексация зарплаты
-Современная техника для работы
-IT-аккредитация
География найма не уточнена
Не хотите искать каждый день?
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Настройте подбор, и подходящие вакансии будут приходить в Telegram.
О ПРОЕКТЕ
Match Systems создает мощные экосистемы для криптоплатежей и передовые AML-комплексы (анализ и трекинг транзакций). Мы работаем на острие технологий, помогая делать блокчейн прозрачным и безопасным.
ВАШИ КЛЮЧЕВЫЕ ВЫЗОВЫ
— Highload Engine: Проектирование и развитие сверхнагруженных backend-сервисов на Python.
— Optimization: Поиск и устранение узких мест в производительности систем.
— Scalability: Масштабирование архитектуры для обработки огромных массивов данных.
— Quality: Проведение Code Review и внедрение культуры тестирования (Unit, Integration).
— Cross-Team: Синхронизация с командами для внедрения надежных решений.
ЧТО МЫ ЖДЕМ ОТ ВАС
— Solid Experience: 7+ лет в разработке на Python.
— FastAPI Pro: Глубокие знания и опыт работы с фреймворком.
— Asynchronous Master: Экспертное владение asyncio, threading, multiprocessing. Вы понимаете влияние GIL и знаете, когда выбрать I/O-bound или CPU-bound подход.
— Messaging: Уверенная работа с Kafka и RabbitMQ (понимание разницы между FIFO/LIFO и Pub/Sub).
— Protocols: Опыт разработки RESTful API, работа с gRPC и RPC.
— Database Skills: Владение PostgreSQL и мастерство использования ORM.
— Domain: Опыт в Crypto / Blockchain или разработке торговых ботов будет вашим преимуществом.
ПОЧЕМУ ЭТО КРУТО?
— Global Presence: Возможность работать из любой точки мира или наших хабов (Дубай, Сингапур).
— Complex Tasks: Реальные вызовы в одной из самых востребованных ниш (AML и блокчейн-безопасность).
— Hardcore Team: Работа в команде топовых экспертов отрасли.
— Growth: Профессиональный рост в среде, где технологии меняются каждый день.
Location: Batumi, Georgia; Tbilisi, Georgia; Belgrade, Serbia; Bucuresti, Romania; Sofia, Bulgaria; Budapest, Hungary; Miskolc, Hungary; Aya Napa, Cyprus; Limassol, Cyprus; Nicosia, Cyprus; Paphos, Cyprus; Pilsen, Czechia; Praha, Czechia; Zagreb, Croatia; Riga, Latvia; Vilnius, Lithuania; Krakow, Poland; Krosno, Poland; Lublin, Poland; Poland; Poznan, Poland; Porto, Portugal; Lisbon, Portugal; Erevan, Armenia; Antalya, Türkiye
Workplace: remote
At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a
Senior Backend Developer
to join one of our
clients
' team. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you.
Key Responsibilities:
Design, develop, and maintain scalable backend services using
Node.js
Build and manage API integrations and external system connections
Work with Azure cloud infrastructure for deployment and scaling
Implement and manage event-driven systems, including geolocation-based features
Develop and optimize push notification orchestration systems
Contribute to DevOps processes, including CI/CD, monitoring, and infrastructure improvements
Ensure system reliability, performance, and security
Collaborate with cross-functional teams (product, hardware, and software)
Make independent architectural decisions and drive technical solutions
Requirements:
Senior-level experience
in backend development with strong expertise in
Node.js
Solid experience with
DevOps practices
and cloud environments (preferably Azure)
Proven experience with
API development and system integrations
Experience with
event-driven architectures
Strong understanding of
scalable system design
Ability to work
independently
and take ownership of solutions
Good communication skills and
conversational English
Nice to Have
Experience in
healthcare projects
or familiarity with healthcare regulations
Knowledge of
geolocation-based systems
Experience with
push notification systems at scale
Exposure to
hardware + software integrated environments
УдалённоseniorBatumi, Georgia; Tbilisi, Georgia; Belgrade, Serbia; Bucuresti, Romania; Sofia, Bulgaria; Budapest, Hungary; Miskolc, Hungary; Aya Napa, Cyprus; Limassol, Cyprus; Nicosia, Cyprus; Paphos, Cyprus; Pilsen, Czechia; Praha, Czechia; Zagreb, Croatia; Riga, Latvia; Vilnius, Lithuania; Krakow, Poland; Krosno, Poland; Lublin, Poland; Poland; Poznan, Poland; Porto, Portugal; Lisbon, Portugal; Erevan, Armenia; Antalya, Türkiye
Location: USA
Workplace: Remote
Moonshot is the “Robinhood for DeFi”—an iOS and Android app that lets anyone trade cryptocurrencies on-chain through a user-friendly interface.
Since our launch in July 2024, we’ve attracted 2M+ users.
Our mission: Make moonshots possible for everyone.
Our vision: Make a world where life-changing financial outcomes are within everyone's reach.
Everyone on our team is both a decision-maker and an implementer—united by a sense of urgency and driven by the conviction that our work can transform global finance. If you thrive on curiosity, welcome tough challenges, and aspire to leave a meaningful mark on the world, Moonshot is the place for you. You’ll run toward the hardest problems alongside high-caliber teammates who consistently push each other to excel and who share your dedication to shaping the future of decentralized finance.
This role is full-time, preferably located in NYC. Open to remote for the right candidate.
THE OPPORTUNITY
As a Staff Backend & Platform Engineer at Moonshot, you’ll own some of the most critical systems in our stack: identity and access, funds movement and ledgering, and the blockchain infrastructure that powers our on-chain trading. This role is similar to staff engineers at leading crypto wallets and exchanges who own authentication stacks, key management, and high-scale financial backends. You’ll design, build, and operate systems that must be both highly reliable and extremely secure, enabling product teams to move quickly on a solid foundation.
WHAT YOU’LL DO
- Design, build, and operate Identity & Access Management services:
- Authentication flows, sessions, device trust.
- Authorization and entitlements (roles, permissions, policies).
- Security controls such as MFA and key management (working with security teams).
- Own financial operations systems:
- Transfers and payments orchestration.
- Ledgering and reconciliation flows.
- Limits, risk controls, and transactional correctness.
- Build and maintain blockchain infrastructure:
- Node and RPC management.
- Transaction submission, monitoring, and retry logic.
- Indexing and streaming of on-chain data into internal services and data stores.
- Define and uphold reliability and observability standards:
- SLOs and error budgets for core services.
- Dashboards, alerts, runbooks, and incident management practices.
- Lead large, cross-functional technical projects from design through rollout, collaborating with Product, Security, and Ops.
- Mentor and guide other engineers, contributing to engineering standards, design reviews, and documentation.
- Stay close to industry best practices in auth, key management, and secure infrastructure for crypto and trading.
WHAT WE LOOK FOR IN YOU
- 5–12+ years of backend or product or platform engineering, including experience with high-scale, high-availability systems in fintech, crypto, or similar domains.
- Deep expertise in at least one of:
- Identity & access / security engineering
- Financial systems / ledgering / payments
- Blockchain infrastructure / on-chain data
- Strong experience designing and operating distributed systems (datastores, queues, streaming, background workers).
- Track record driving architecture decisions and seeing them through implementation and adoption.
- Strong operational mindset: monitoring, on-call, incident response, and postmortems.
- Excellent collaboration skills, especially with Product, Security, and Ops.
NICE TO HAVES
- Experience with Flutter, React Native, React, Headless CRMs
- Experience with Go, Rust, Solana
- Experience with Google Cloud or Amazon Web Services
- Experience with crypto wallets, exchanges, or onchain protocols including DeFi, L2s, ZK
- Exposure to data warehousing and analytics for financial reporting.
- Contributions to open-source projects.
LOCATION
- NYC preferred (with periodic in-person sprints).
- Remote-friendly within the United States and Canada; travel ~1wk/quarter
COMPENSATION & PACKAGE
- Competitive salary and meaningful equity.
- 5% 401(k) match.
- Health benefits with employer-covered premiums, plus life insurance coverage.
- One-time office setup stipend.
- Flexible PTO.
Location: USA
Workplace: Remote
Moonshot is the “Robinhood for DeFi”—an iOS and Android app that lets anyone trade cryptocurrencies on-chain through a user-friendly interface.
Since our launch in July 2024, we’ve attracted 2M+ users.
Our mission: Make moonshots possible for everyone.
Our vision: Make a world where life-changing financial outcomes are within everyone's reach.
Everyone on our team is both a decision-maker and an implementer—united by a sense of urgency and driven by the conviction that our work can transform global finance. If you thrive on curiosity, welcome tough challenges, and aspire to leave a meaningful mark on the world, Moonshot is the place for you. You’ll run toward the hardest problems alongside high-caliber teammates who consistently push each other to excel and who share your dedication to shaping the future of decentralized finance.
This role is full-time, preferably located in NYC. Open to remote for the right candidate.
THE OPPORTUNITY
As a Senior Backend & Platform Engineer at Moonshot, you’ll own some of the most critical systems in our stack: identity and access, funds movement and ledgering, and the blockchain infrastructure that powers our on-chain trading. This role is similar to staff engineers at leading crypto wallets and exchanges who own authentication stacks, key management, and high-scale financial backends. You’ll design, build, and operate systems that must be both highly reliable and extremely secure, enabling product teams to move quickly on a solid foundation.
WHAT YOU’LL DO
- Design, build, and operate Identity & Access Management services:
- Authentication flows, sessions, device trust.
- Authorization and entitlements (roles, permissions, policies).
- Security controls such as MFA and key management (working with security teams).
- Own financial operations systems:
- Transfers and payments orchestration.
- Ledgering and reconciliation flows.
- Limits, risk controls, and transactional correctness.
- Build and maintain blockchain infrastructure:
- Node and RPC management.
- Transaction submission, monitoring, and retry logic.
- Indexing and streaming of on-chain data into internal services and data stores.
- Define and uphold reliability and observability standards:
- SLOs and error budgets for core services.
- Dashboards, alerts, runbooks, and incident management practices.
- Lead large, cross-functional technical projects from design through rollout, collaborating with Product, Security, and Ops.
- Mentor and guide other engineers, contributing to engineering standards, design reviews, and documentation.
- Stay close to industry best practices in auth, key management, and secure infrastructure for crypto and trading.
WHAT WE LOOK FOR IN YOU
- 5–12+ years of backend or product or platform engineering, including experience with high-scale, high-availability systems in fintech, crypto, or similar domains.
- Deep expertise in at least one of:
- Identity & access / security engineering
- Financial systems / ledgering / payments
- Blockchain infrastructure / on-chain data
- Strong experience designing and operating distributed systems (datastores, queues, streaming, background workers).
- Track record driving architecture decisions and seeing them through implementation and adoption.
- Strong operational mindset: monitoring, on-call, incident response, and postmortems.
- Excellent collaboration skills, especially with Product, Security, and Ops.
NICE TO HAVES
- Experience with Flutter, React Native, React, Headless CRMs
- Experience with Go, Rust, Solana
- Experience with Google Cloud or Amazon Web Services
- Experience with crypto wallets, exchanges, or onchain protocols including DeFi, L2s, ZK
- Exposure to data warehousing and analytics for financial reporting.
- Contributions to open-source projects.
LOCATION
- NYC preferred (with periodic in-person sprints).
- Remote-friendly within the United States and Canada; travel ~1wk/quarter
COMPENSATION & PACKAGE
- Competitive salary and meaningful equity.
- 5% 401(k) match.
- Health benefits with employer-covered premiums, plus life insurance coverage.
- One-time office setup stipend.
- Flexible PTO.
Location: Iberia, Spain; Lisbon; Montreal
Workplace: remote
ABOUT YOU
We are seeking a Tech Lead to own the architecture, integrations, and technical direction for systems that bridge Xsolla’s platform with external backend gaming service providers.
This role requires strong technical leadership, deep understanding of game backend ecosystems, and the ability to design scalable integration workflows across multiple platforms. You will guide a team delivering high-impact features that unify services.
ABOUT US
Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Xsolla operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game.
For more information, visit xsolla.com.
Responsibilities
Lead technical strategy and architecture for integrations with third-party backend gaming service providers.
Design robust, scalable solutions that connect external game backend services with Xsolla’s ecosystem.
Act as the primary subject-matter expert on backend gaming systems, including identity, inventory, entitlements, progression, matchmaking, and social features.
Collaborate with external provider teams and internal Xsolla product/engineering groups to align APIs, workflows, and use cases.
Ensure secure, reliable, and efficient data flows across all integration surfaces.
Mentor engineers, lead code reviews, and promote best practices in software architecture.
Improve observability, monitoring, and deployment stability across integrated systems.
Requirements
Deep understanding of game backend systems and services (identity, entitlements, inventory, progression, matchmaking, etc.).
Proven experience designing integrations between large-scale platforms or distributed systems.
Proven experience SDK/API design skills and experience with microservices architectures.
Familiarity with cloud-native environments, CI/CD pipelines, and DevOps practices.
Excellent communication, cross-team collaboration, and technical leadership skills.
Nice to Have
Background in gaming infrastructure, live game operations, or high-load server systems.
Experience working with SDK-driven integrations or external technical partners.
Benefits
We are passionate about fostering a supportive environment for our team, so we prioritize the physical, mental, and emotional well-being of our employees through a comprehensive Benefits Program. This includes unlimited Flexible Time Off and a personalized career roadmap for each employee. By investing in professional development through training and educational opportunities, we ensure that our team thrives both personally and professionally. Together, we’re not just building a business; we’re cultivating a community that values creativity, collaboration, and the transformative power of play.
The duties and responsibilities of this position may evolve over time to support the organization’s goals and individual growth. This job description is intended to outline the general nature and level of work being performed and is not intended to be an exhaustive list of all duties, responsibilities, and qualifications required.
By submitting your application, you consent to Xsolla conducting background checks, where permitted by law, after the final interview stage. All checks will comply with local regulations, and your information will be handled confidentially.
Xsolla takes your privacy seriously and will not sell or externally distribute any personal data received during the hiring process. In accordance with applicable data protection laws, Xsolla is committed to protecting your personal information and respecting your privacy.
For any inquiries related to data privacy, please contact: careers@xsolla.com
Explore more opportunities at: https://xsolla.com/careers
The listed range is specific to Spain and varies based on factors such as location and experience
Location: Worldwide
We are looking for a
QA Engineer - Backend (Golang)
for the
Core Banking Systems Team
— a team focused on building reliable and scalable backend systems at the core of our financial infrastructure. The team develops solutions for credit card issuing and processing, working with a microservices architecture and technologies such as Kafka and PostgreSQL. A key part of the team's work is ensuring that our systems are secure, resilient, and compliant with Mexican banking and accounting regulations.
Challenges that await you:
Requirements analysis, creation of test scenarios, and preparation of test data
Development and maintenance of test documentation
Acceptance and regression testing (automated and manual)
Manual testing responsibilities are an essential part of the role, including on-site involvement and ownership of the testing process.
Writing and maintaining automated tests in Go
Support of the test project
Development and maintenance of the test project
Integration of automated tests into CI/CD
Development and maintenance of testing infrastructure and tools
Identification, localization, and reporting of defects using a bug tracking system
Communication with the product team during development and participation in releases
Developing and maintaining custom tools to support the testing process (e.g., mock services, data generators, reporting tools)
What makes you a great fit:
Experience in developing and maintaining test documentation
Experience in programming with Go / Java / Kotlin / Python
Experience working with Git or other version control systems
Experience working with SQL
Experience in developing and maintaining automated tests in Java / Kotlin / Python / Go
Experience in developing and maintaining a test framework
Experience working with CI/CD tools
Experience in developing and maintaining testing infrastructure and tools
Knowledge and understanding of design patterns
Experience working with message queues (Kafka)
B1 or higher English
level for effective communication with an international team
Your bonus skills:
Experience working with gRPC and Protobuf
Experience with frameworks: dailymotion/allure-go, Gomega (Go) / JUnit5, Allure (Kotlin) / allure-pytest, pytest (Python)
Experience in load testing
Knowledge and understanding of software design patterns
Our ways of working:
Innovative Spirit:
A commitment to creativity and groundbreaking solutions
Honest Feedback:
valuing open, transparent communication
Supportive Team:
a strong, collaborative community
Celebrating Achievements:
recognizing our wins together
High-Tech Environment:
a team full of smart and revolutionary people who date to challenge the status quo of incumbent finances
Team time zone:
The team works within the GMT+1 to GMT+5 time zone
Our benefits:
Relocation support
to one of our hubs — Cyprus, Georgia, Kazakhstan— with assistance for the employee and their family
Flexible work
from one of our offices or remote
Healthcare Coverage
Education Budget:
Language lessons, professional training and certifications
Wellness Budget:
Mental health and fitness activity reimbursement
Vacation policy:
Annual leave and paid sick leave as per applicable policies
Location: Belgrade
Workplace: onsite
About Unlimit
Unlimit is a global fintech ecosystem built to eliminate financial borders holding businesses back. The company provides the extensive infrastructure needed to scale globally, integrating payment processing, multi-currency business accounts, BaaS and crypto gateways into a single, intelligent platform.
Across 17 offices globally, Unlimit bridges hyper-local expertise with a high-capacity financial network, giving companies the agility to expand across regions with operational confidence and speed. Driving the evolution of payments, Unlimit is transforming its infrastructure from human-operated fintech into AI-native financial infrastructure — where APIs are consumed by machines, integrations are negotiated by agents, and systems evolve continuously through intelligent automation. Our next users are not only humans. They are AI agents acting on behalf of humans and businesses.
Unlimit serves more than the needs of businesses today; we are building the nervous system for a borderless global economy.
About the Role
Unlimit is undergoing a deep technology transformation. As a global fintech with a robust suite of products — including card acquiring, banking-as-a-service, payment gateways, crypto solutions, and wallets — we’re rebuilding our core backend platforms to be AI-native, modular, and cloud-agnostic.
We’re seeking a forward-thinking and hands-on Solution Architect to lead this transformation from within. This is a strategic yet execution-driven role: you’ll help define and implement next-generation architecture that’s scalable, resilient, and designed with real-time AI capabilities.
You’ll work at the intersection of architecture, infrastructure, and delivery, collaborating closely with Product, DevOps, Engineering, and Data teams. Your work will directly shape systems that serve thousands of merchants globally — with near-zero downtime, built-in observability, and seamless integration of AI agents into critical paths. This is a rare opportunity to join Unlimit at a pivotal point and define the future of financial infrastructure.
What You’ll Be Doing
Take ownership of solution design for backend systems powering payment products (card acquiring, wallets, crypto, BaaS).
Design and maintain architecture that is
AI-native
and
cloud-agnostic
, aligned with modern security, scalability, and compliance standards.
Partner with product managers, engineering leads, QA, and analysts to translate business needs into modular architectural designs.
Build out documentation, high-level solution diagrams, system interface contracts, and component-level specifications.
Act as a key contributor to API design and service decomposition efforts.
Guide cloud migration and infrastructure evolution (AWS-based stack, with Kubernetes, GitLab CI/CD, Terraform).
Ensure systems enable
zero-downtime deployments
, automated rollbacks, and scalable horizontal patterns.
Conduct architectural reviews, technical assessments, and work closely with delivery teams to implement designs.
Act as a thought leader and “tech compass” across engineering functions, driving architectural maturity and platform modernization.
Proactively identify technical debt and long-term design risks; propose mitigation strategies.
What We’re Looking For
Requirements
6+ years of experience in architecture roles, preferably in fintech or high-availability distributed systems
Proven experience designing scalable backend systems in AWS or hybrid cloud environments
Strong hands-on background in backend development (Java), DevOps, or cloud infrastructure
Deep understanding of distributed systems, event-driven architectures, microservices, CI/CD pipelines, and observability practices (Grafana, Prometheus)
Solid experience with Kubernetes, Terraform, and GitLab CI/CD
Experience participating in and driving system design reviews across multiple teams
Strong stakeholder communication skills and ability to align technical and business requirements
Comfortable working in fast-paced, cross-functional environments (LATAM, EU, APAC collaboration)
AI & Emerging Technologies
Practical experience integrating AI/ML components into backend systems (e.g., AI pipelines, agent-based integrations, MLOps)
Demonstrated awareness of AI-driven engineering practices and emerging AI technologies
Hands-on experience leveraging AI tools (LLMs, AI-assisted development tools, automation frameworks) to improve productivity, system performance, or architectural decision-making
Domain Experience
Background in financial services, payment gateways, acquiring, digital wallets, or other regulated environments
What You’ll Gain
A unique opportunity to drive AI-native backend transformation at scale
Exposure to the full fintech product landscape: card processing, crypto, wallets, BaaS
Work in a global company with a strong engineering culture, agile mindset, and flat hierarchy
Collaborate with international teams that deeply value architecture, resilience, and innovation
Strong support for async cross-timezone collaboration
Join Unlimit Team now!
Unlimit is an equal opportunity employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We welcome applications from all members of society irrespective of age, sex, disability, sexual orientation, race, religion or belief.
Location: Remote
Company Mission
Aktos is a seed-stage, Vertical SaaS Fintech startup looking for a Senior Full Stack Engineer (70/30 Backend leaning) who will play a key role in building the Operating System that powers the $18B Credit Collections industry.
Credit Collectors play an overlooked yet integral part of our financial ecosystem. They help Consumers settle their debts and improve their credit scores— granting them clean states to start over. Collectors help critical businesses like doctor's offices and local governments, who deal with high payment default risk, secure their revenue streams and ensure their continued survival.
In truth, Collectors have incredibly interesting, multi-faceted jobs. They are often one part sales person, one part therapist, and one part detective in their mission to recover funds. At Aktos, we are building a modern software platform that caters to Collectors' unique workflows
, and make the credit recovery process a more positive experience for all parties.
Our Team
Aktos was founded by seasoned Product and Engineering leaders who have worked at companies such as Zenefits, TikTok, Meta, LinkedIn, Google, Apple, Amazon, WeWork, Flatiron Health (acquired by Booking.com). We are experts at building, launching, and scaling word-class software platforms— rest assured, if you join us you will be working with and learning from the best.
Our Stack:
Frontend - ReactJS, Redux, RTK Query
Backend - Django, DRF, Postgres
DevOps - Docker, Github Actions, Terraform, AWS, Postgres
Responsibilities
Work directly with our CEO, CTO, and a handful of other engineers to build full stack features and improvements to the product
Work across the entire stack using cutting edge frameworks, tools, and own execution
Take true end-to-end ownership of your work and lead key components of our product roadmap
Refine the SDLC & CI/CD pipelines
Maintaining our AWS infrastructure
Who You Are
Comfortable with autonomy, ownership and responsibility
You care more about getting it right, than being right. Love learning, asking questions and are comfortable asking for help when you get stuck
Jack-of-all trades; Expert in one - You can do anything from optimizing SQL query to writing maintainable CSS and everything in between, but you still have a preferred part of the stack
Requirements
5+ Years of Software Development Experience
Professional experience with Python (5+ years required)
Professional experience with Django (3+ years required)
Professional experience with JavaScript [React/Redux experience preferred]
Strong fundamental understanding and usage of a RDBMS [Postgres preferred]
In-depth knowledge and hands on experience with AWS [Terraform experience preferred]
Comfortable working full-stack
Solid engineering fundamentals and passion for high quality code
Product intuition, user empathy, ability to make sound UX decisions
Strong work ethic, end-to-end ownership mentality
Perks and Benefits:
Competitive salary with employee stock options, bonus and access to a 401K
Medical, dental and vision coverage
Remote-first company
Location: Home Based - Americas
Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is a pioneer of global distributed collaboration, with 1200+ colleagues in 75+ countries and very few office-based roles. Teams meet two to four times yearly in person, in interesting locations around the world, to align on strategy and execution.
The company is founder-led, profitable, and growing.
We are hiring an engineering manager to lead the reboot of our Landscape systems management solution for Ubuntu.
Ubuntu is growing rapidly in the enterprise, with estates expanding from cloud, to bare metal servers, to vSphere clusters, and of course desktops and devices. Ubuntu is easy to deploy and configure, one node at a time, but it's difficult to know where you stand on policy and compliance, patch management, or access control across a large estate. Ubuntu used to be under the radar in the enterprise, but it is now becoming an official platform for many companies. Those enterprises very much want a high quality way to manage their Ubuntu estate.
We started work on Landscape many years ago, and the current generation of the service reflects the choices of the day. We now have the opportunity to invest significantly in a team to bring a fresh new vision for large-scale Ubuntu estate management to the project. That doesn't make this a greenfield opportunity - we have a system that serves thousands of deployments - but we know we want to step back and give it a big new push, letting go of some things that are no longer so important, and embracing a range of new priorities. This role is the critical engineering leadership role for that mission.
Today we use Python, PostgreSQL, RabbitMQ, HAProxy, and have a ReactJS front end. In other web services projects we use more Golang these days. Our next wave of Landscape engineering is an opportunity to raise the bar on SAAS and on-prem solution technologies, architectures, patterns and operations. Our goal is to make it easy for enterprises to own a few Landscape instances that serve their global estate, and to be able to apply policy and know intuitively where they stand - globally - in a very complex world of mixed Ubuntu versions, substrates and flavours.
Engineering managers at Canonical bring both technical and management skills to the leadership of their teams. You will work closely with product managers, and produce an engineering roadmap with ambitious and achievable goals. A successful applicant will be capable of growing a team of engineers, collaborating with other engineering and business teams at Canonical, and providing periodic updates about successes and areas of improvement.
As an engineering manager at Canonical you must be technically strong, but your responsibility is to run an effective team and develop the colleagues you manage. You are expected to help them grow as engineers, do important work, do it outstandingly well, find professional and personal satisfaction, and work well with colleagues and community. Technical leadership experience and a background in software engineering are necessary prerequisites for this role. You will be expected to lead, challenge, and develop strong engineers, positively influence the culture, facilitate technical delivery, and work with your team on strategy and execution.
We work in Python and Golang, and expect engineering managers to be fluent in the language, architecture and components that their team uses. Code reviews and architectural leadership are part of the job. As manager, the commitment to healthy engineering practices, documentation, quality and performance optimisation are equally important technical responsibilities, as is the requirement for fair and clear management, and the obligation to ensure a high performing team.
Key responsibilities
Build and lead a team of engineers in your region
Develop talent through coaching, mentoring, feedback, and hands-on career development
Demonstrate sound engineering principles and directly contribute toward your team's goals
Set and manage expectations with other engineering teams, management, and external stakeholders
Lead modern, agile software development practices
Ensure a healthy, collaborative engineering culture in line with the company values
Be an active part of the leadership team and collaborate with other leaders in the organisation
Build automated, highly reliable image delivery, testing and publication pipelines
Engage with many other teams at Canonical, as well as the open source community and commercial partners
Work from home with global travel 4-6 weeks per year for internal and external events
Valued skills and experience
You love to mentor, develop and grow people, and have a track record of doing it
You are knowledgeable and passionate about software development
You are focused on success and the delivery of timely, high quality software
You have experience and commitment to agile development methodologies
You have a Bachelor’s or equivalent in Computer Science, STEM or similar degree
Software development experience in Python or Golang
Effective written and verbal communication skills
Practical experience with Linux system administration
What we offer colleagues
We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognize outstanding performance. In addition to base pay, we offer a performance-driven annual bonus or commission. We provide all team members with additional benefits which reflect our values and ideals. We balance our programs to meet local needs and ensure fairness globally.
Distributed work environment with twice-yearly team sprints in person
Personal learning and development budget of USD 2,000 per year
Annual compensation review
Recognition rewards
Annual holiday leave
Maternity and paternity leave
Team Member Assistance Program & Wellness Platform
Opportunity to travel to new locations to meet colleagues
Priority Pass and travel upgrades for long-haul company events
About Canonical
Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform for AI, IoT, and the cloud, we are changing the world of software. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence; in order to succeed, we need to be the best at what we do. Most colleagues at Canonical have worked from home since our inception in 2004. Working here is a step into the future and will challenge you to think differently, work smarter, learn new skills, and raise your game.
Canonical is an equal opportunity employer
We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products.
Whatever your identity, we will give your application fair consideration.
#LI-remote
Location: Remote, Global
Workplace: Remote
ABOUT SUPABASE
Supabase is the Postgres development platform, built by developers for developers. We provide a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and Vector Search. All services are deeply integrated and designed for growth.
ABOUT THE ROLE
We’re looking for a Data API Engineer to join our Data API Team and help improve the feature set, reliability and performance of our Data API, based on the PostgREST project.
This role is ideal for someone who thrives in async, fast-paced environments and is excited about building developer tools that scale to millions.
WHAT YOU’LL BE RESPONSIBLE FOR
- Work on PostgREST’s PostgreSQL driver (based on Hasql) and remove bottlenecks and improve it’s performance.
- Work on PostgREST development of new features and bug fixes, aligned towards the goal of a multitenant Data API.
- Resolve incidents and escalated support issues, while also improving observability and performance.
- Collaborate cross-functionally with other teams to debug and solve integration issues with the Supabase platform.
YOU MIGHT BE A GOOD FIT IF YOU
- Strong Haskell skills with at least 3 years of experience.
- Experience using the C language.
- Solid knowledge of SQL and plpgsql scripting in PostgreSQL.
- Strong track record of contributing to and engaging with open-source projects. Bonus points if you’ve maintained an open source project.
- Strong experience with providing technical support to users with varying levels of technical expertise.
- Experience with debugging applications under the Linux operating system.
WHAT WE OFFER
- Fully Remote
We hire globally. We believe you can do your best work from anywhere. There are no Supabase offices, but we provide a WeWork membership or co-working allowance you can use anywhere in the world.
- ESOP
Every team member receives ESOP (equity ownership) in the company. We want everyone to share in the upside of what we’re building together.
- Tech Allowance
Use this budget to set up your ideal work environment—laptop, monitor, headphones, or whatever helps you do your best work.
- Health Benefits
Supabase covers 100% of health insurance for employees and 80% for dependents, wherever you are. Your wellbeing and your family’s health are important to us.
- Annual Off-Sites
Once a year, the entire company gathers in a new city for a week of connection, collaboration, and fun. It’s a highlight of our year.
- Flexible Work
We operate asynchronously and trust you to manage your own time. You know what needs to be done and when.
- Professional Development
Every team member receives an annual education allowance to spend on learning—courses, books, conferences, or anything that supports your growth.
ABOUT THE TEAM
Supabase was born-remote and open-source-first. We believe our globally distributed team is our secret weapon in building tools developers love.
- ~400 team members
- 60+ countries
- 20+ languages spoken
- Over $1B raised (including our $500M Series F)
- 540,000+ community members
We move fast, build in public, and use what we ship. If it’s in your project, we probably use it in ours too. We believe deeply in the open-source ecosystem and strive to support—not replace—existing tools and communities.
Location: Poland
Claroty
is a global leader in cyber-physical systems (CPS) protection, dedicated to securing the critical infrastructure that keeps the world running. We’re a fast-growing, award-winning team where innovation meets purpose and we want you to help us define the future of cybersecurity.
We’re growing and looking to hire a Software Team Leader - XSA who embodies our core values: People First, Customer Obsession, Strive for Excellence, and Integrity.
As a Software Team Leader for XSA (xDome Secure Access), you will lead the development of our industry-leading secure remote access solution. In a world where critical infrastructure is increasingly connected, your team will build the bridge that allows safe, monitored, and frictionless access to sensitive industrial environments. You will deal with complex networking challenges, identity management, and high-availability systems where security and performance are equally paramount.
Responsibilities:
Drive a high-performing team of developers, fostering a culture of technical ownership, security-first mindset, and continuous delivery.
Lead the design and implementation of robust secure access features, ensuring seamless integration between IT and OT networks.
Oversee the development of scalable, high-performance gateway and proxy architectures that support global enterprise scales.
Work closely with Product Management and Security Researchers to implement Zero Trust principles and advanced session monitoring capabilities.
Invest in your team’s professional growth, promoting best practices in code quality, security protocols, and system resilience.
Requirements:
3+ years of experience leading R&D teams in a fast-paced environment.
5+ years of experience in backend development, with a strong track record of building complex systems in Python.
Deep understanding of networking protocols (TCP/IP, HTTP/S, SSH, RDP) and security concepts (Zero Trust, Identity Management, Encryption).
Experience building distributed, high-availability systems that handle real-time traffic and data.
Proficiency in utilizing AI development tools (specifically Cursor and Claude) to accelerate development workflows, code generation, and problem-solving.
Would be a plus:
Familiarity with frontend frameworks like Angular or React.
Experience with Cloud-Native technologies (AWS/Azure/GCP, Docker, K8s).
Experience in the Cybersecurity industry, specifically in Remote Access (VPN/ZTNA) or Identity (IAM).
What we offer
Help and support from our caring HR team.
20 working days of annual paid leave.
Health insurance coverage.
Multisport coverage (Poland)
Public holidays.
Last but not least - valuable compensation for your efforts.
Location: Switzerland; Geneva; Zurich
Workplace: OnSite
Blockstream https://blockstream.com/ was founded in 2014 by Dr. Adam Back https://en.wikipedia.org/wiki/Adam_Back and a group of fellow cryptographers and engineers passionate about Bitcoin and its potential to change the future of finance. We have become a market leader in Bitcoin security and Layer-2 technologies. Our products are designed to make financial systems more efficient, secure, and robust.
We're seeking a Forward Deployed Engineer embedded directly inside customer engineering teams, writing the code, building the tooling, integrations and configurations needed to get Blockstream's products into production. Additionally you ship what you build back into the core product.
Operating within the Consulting Services organization, the Forward Deployed Engineer partners closely with Product Management, Engineering, Enterprise Sales, and Delivery teams to help customers successfully implement and adopt Blockstream's products.
This is not a traditional configuration or support role. You will spend significant time working directly alongside customer engineering, operations, and technology teams, often onsite, to understand complex banking environments, solve technical challenges, and deliver production-ready solutions. As the technical bridge between customers and Blockstream, you will play a critical role in accelerating customer success while providing valuable implementation insights that continuously improve our products and delivery methodology.
What You'll Be Doing (Responsibilities):
Customer Delivery & Implementation
- AI-first prototyping: Use AI-assisted development to stand up minimum viable solutions or proof of concepts on short turnaround notice, proving Enterprise Product value early in an engagement and hardening the winning prototypes into use case based playbooks.
- Tech Pre-Sales: Support Enterprise Sales in technical pre-sales, RFP/RFI and security questionnaire responses; contribute to SOW scoping, effort estimation, and scope-change management.
- Delivery: Own the technical delivery of Blockstream enterprise software from project kickoff through production deployment and post launch support
- Financial Institutions: Work directly with financial institutions to understand business processes, operational workflows, and technical environments.
- Configure, deploy, and optimize Blockstream products based on customer requirements and approved solution designs.
- Success Criteria: Execute implementation planning, system configuration, testing, User Acceptance Testing (UAT), production deployment, and post-go-live support. Define success criteria, milestones and own implementation.
- Deliver administrator and end-user enablement sessions to ensure successful customer adoption.
- Enterprise integration: Integrate with core banking and capital-markets systems.
Engineering & Technical Delivery
- Controlled environments: Deploy into on-premise, network-isolated, and air-gapped banking environments under formal change control, producing the security and audit evidence that compliance and pen-test reviews require.
- Design and implement integrations between Blockstream enterprise products and customer systems using required integration interfaces and data pipeline technologies.
- Troubleshoot complex technical, configuration, and integration challenges throughout the implementation lifecycle.
- Work closely with customer engineering teams to ensure secure, scalable, and production-ready deployments.
- Develop reusable deployment assets, implementation playbooks, technical documentation, and best practices.
- Collaborate closely with Engineering to resolve product issues and improve implementation quality.
Customer Collaboration
Embed directly with customer teams to gain a deep understanding of their operating environment and technical challenges.
- Facilitate technical workshops, architecture discussions, and implementation planning sessions.
- Act as a trusted technical advisor throughout the implementation lifecycle.
- Build strong relationships across customer Technology, Operations, Security, and Engineering functions.
Digital Assets Product Improvement Feedback Loop
- Turn implementation learnings, customer feedback, and product enhancement opportunities into code
- Identify repeatable deployment patterns across engagements and contribute to standardized implementation methodologies.
- Partner with Product Management and Engineering to shape the roadmap and improve platform capabilities based on real customer implementations.
- Help accelerate customer time-to-production through continuous improvement of deployment frameworks and best practices.
What We Look for In You (Required Qualifications):
- 4-8 years of experience in Software Engineering, Forward Deployed Engineering, Solutions Engineering, Professional Services, Technical Consulting, Implementation Engineering, or Enterprise Software Delivery.
- Proficiency in at least one systems or backend language (e.g. Python, Go, Rust) sufficient to build and ship integrations, tooling and services independently
- Experience implementing and deploying enterprise software solutions within complex customer environments.
- Strong understanding of protocol intermediation, enterprise integration patterns, cloud technologies, security fundamentals and modern software architectures.
- Experience working directly with enterprise customers throughout implementation and deployment projects.
- Strong analytical, troubleshooting, and problem-solving skills.
- Ability to translate business requirements into scalable technical solutions.
- Comfortable collaborating across Product Management, Engineering, Enterprise Sales, and Consulting teams.
- Strong customer-facing communication and stakeholder management skills.
- Self-starter with proven ability to work independently while managing multiple customer engagements.
- Willingness to travel regularly to customer locations across Switzerland.
- Excellent English skills are required, German and/or French is strongly preferred.
Nice To Haves (Preferred Qualifications):
- Experience working with financial institutions, like private banking, wealth management, custody, payments, treasury, or capital markets.
- Background in Bitcoin, blockchain, digital assets, tokenization, or fintech.
- Experience integrating enterprise software using APIs and modern integration frameworks.
- Knowledge of cloud platforms, containerized deployments, or infrastructure automation.
- Familiarity with Layer-2 technologies and digital asset infrastructure.
- Experience contributing product feedback from customer implementations into engineering roadmaps.
Location: San Francisco
Workplace: Remote
Lavendo partners with startups and high‑growth companies to help them hire top‑tier sales, GTM, and technical talent. This role is with one of our clients; we’ll share full details about the company and interview process as we get to know you and confirm mutual fit.
ABOUT LAVENDO
Lavendo is a specialist go‑to‑market recruiting firm helping startups and high‑growth companies hire exceptional sales, GTM, and technical talent. Most of our searches are for Seed–Series C startups building AI‑native, SaaS, and data‑driven products across sectors like infrastructure, developer tools, security, and vertical software.
THE WILDCARD APPLICATION
Don’t see a role on our board that feels like an exact fit — yet? The Wildcard Application is for high‑caliber candidates who want to stay on our radar for upcoming searches across our portfolio of clients.
We regularly open new roles for:
- Sales & GTM: SDR/BDR, AE/AM, Enterprise AE, Founding AE/first sales hire, Sales Manager/Director, Head of Sales, VP Sales, Revenue/Growth roles.
- Solutions, Pre‑Sales & GTM‑Technical: Solutions Architect, Solutions Engineer, Sales Engineer, Technical Product Specialist, GTM‑oriented TPM.
- Operations, BizOps & Chief of Staff: Chief of Staff, Business Operations, RevOps/Revenue Operations, GTM Strategy & Operations, founder‑support / special projects roles.
- Technical & GTM‑Adjacent: Founding Engineer/CTO, PM/TPM, data and backend roles in security/privacy/infrastructure.
If you have strong experience in these areas, especially within AI, SaaS, or data‑centric products, we’d like to hear from you even if we don’t have the perfect search live today.
HOW WE USE YOUR WILDCARD APPLICATION
When you submit a wildcard application, our team will:
- Review your background and preferences.
- Tag you against current and upcoming searches that align with your profile.
- Reach out when we see a high‑fit opportunity with one of our clients.
We won’t spam you with generic roles — the goal is targeted outreach when there’s a genuine match.
WHO SHOULD APPLY
- You have meaningful experience in sales, GTM, or technical roles at B2B or B2B2C companies.
- You’re interested in Seed–Series C startups building AI‑native, SaaS, or data‑driven products.
- You’re thoughtful about your next move and want a partner who can match you with aligned companies and roles — not just blast your resume.
We are proud to be an equal opportunity workplace and consider all qualified applicants without regard to race, color, religion, national origin, age, sex, marital status, ancestry, disability, genetic information, veteran or military status, gender identity or expression, sexual orientation, or any other characteristic protected by law.
Задачи:
— Проектирование, развитие и поддержка высоконагруженных и распределенных микросервисных систем.
Требования:
— Опыт коммерческой разработки на Go (Golang) от 5 лет.
— Глубокое понимание философии языка: лаконичность, явность, эффективность, идиоматичный код и конкурентность.
— Опыт проектирования и развития высоконагруженных (Highload) и распределенных систем.
— Развитые Soft Skills: умение аргументировать технические решения, менторить коллег, проводить системный Code Review и проактивно влиять на продукт.
— Отличное владение горутинами, каналами, select, пакетом sync (Mutex, RWMutex, WaitGroup, Pool, atomic).
— Глубокое понимание Race Conditions и умение проектировать thread-safe архитектуру.
— Понимание модели памяти Go, работы стека и кучи, механизмов Escape Analysis.
— Опыт взаимодействия с runtime: работа планировщика (Scheduler), управление памятью и сборка мусора (GC), профилирование и трассировка (pprof, go tool trace).
— Понимание внутреннего устройства интерфейсов (iface, eface).
— Осознанное применение рефлексии (reflect) и дженериков (Generics).
— Покрытие кода Unit-, Integration- и E2E-тестами с использованием testing, testify, gomock / mockery, табличных тестов (Table-Driven Tests).
— Уверенная работа с go mod, SemVer и стратегиями вендоринга.
— Глубокие знания и практический опыт проектирования gRPC (включая Streaming) и REST (OpenAPI / Swagger).
— Опыт работы с GraphQL будет плюсом.
— Опыт работы с SQL базами данных через database/sql, sqlx или ORM (GORM), оптимизация пулов соединений, написание сложных и эффективных запросов, управление миграциями (goose, golang-migrate).
— Продакшен-опыт работы с Redis.
Условия:
— Уровень дохода не указан.
Responsibilities:
— Design, build and maintain backend services in Go with clean, idiomatic, and readable code
— Design gRPC and REST APIs, maintain stable contracts, and version them when changes occur
— Write efficient PostgreSQL queries, design schemas, and implement safe, reversible migrations
— Correctly use goroutines, channels, and context to avoid leaks and ensure proper timeouts and cancellations
— Handle errors explicitly, including retries and idempotency for repeatable calls
— Write unit and integration tests covering business logic and failure cases
— Implement structured logging, metrics, and health checks for effective problem diagnosis
— Ensure service security by validating input, authenticating callers, and keeping secrets out of code and logs
— Profile and optimize CPU, memory, and database load as needed
— Write concise technical documentation for owned APIs and services
— Review teammates' pull requests to maintain code consistency
Requirements:
— 1 to 3 years of commercial backend development experience in Go
— Experience building or maintaining at least one production service in Go (REST or gRPC)
— Proficiency with PostgreSQL including queries, indexes, and migrations
— Experience using Docker; basic Kubernetes knowledge is a plus
— Integration experience with third-party APIs (payments or webhooks is a plus)
— Familiarity with Git and pull requests in a team environment
— Required hard skills include Go (goroutines, channels, context, error handling, standard library), REST API design, gRPC and Protobuf knowledge, PostgreSQL (SQL queries, joins, indexes, transactions, migrations), Docker (writing Dockerfiles, running services locally), Git (branches, pull requests, conflict resolution), testing in Go (unit tests, table-driven tests), HTTP basics (status codes, JSON, JWT authentication), and Linux basics (terminal, reading logs)
— Nice to have skills: Kubernetes basics, payment provider integration (Click, Payme, Uzum), message queues (RabbitMQ, Kafka, NATS), Redis, CI/CD with GitHub Actions, Prometheus or Grafana, Helm, ArgoCD, GitOps tools, HashiCorp Vault or other secrets managers, experience with parking, access control, IoT or hardware integrations, fiscal requirements, networking (tunnels, VPNs, load balancers), and some C#/.NET
Education:
— Bachelor’s or Master’s degree in Engineering, Computer Science, Business, or related field is a plus but not required
middleГеография найма не уточнена
УдалённоUSA
УдалённоseniorUSA
УдалённоleadIberia, Spain; Lisbon; Montreal
seniorTeam time zone:; The team works within the GMT+1 to GMT+5 time zone; Relocation support
ОфисBelgrade; Strong support for async cross-timezone collaboration